BOOK SECOND
LAWS OF CRIMINAL PROCEDURE
PART I
OF THE AUTHORITIES TO WHICH THE ADMINISTRATION OF CRIMINAL JUSTICE IS ENTRUSTED
Title I Of the Powers and Duties of the Executive Police in respect of Criminal Prosecutions
Sub-title VI
POWERS OF ARREST AND DETENTION
355V. Where there are lawful grounds for the arrest of a person, the Police may request a warrant of arrest from a Magistrate, unless in accordance with any provision of law the arrest in question may be made without a warrant.
355W. (1) Any person not being a police officer may arrest without warrant anyone who is in the act of committing or has just committed any crime concerning the peace and honour of families and morals, any crime of wilful homicide or bodily harm, or any crime of theft or of wilful unlawful entry or damage to property.
(2) The person making any arrest under subarticle (1) shall without delay inform the Police of the fact of the arrest and shall exercise such power only until it is strictly necessary for the Police to take over the person arrested.
355X.(1) Any police officer may arrest without warrant anyone who is in the act of committing or has just committed a crime punishable with imprisonment, or whom he reasonably suspects to be about to commit or of having just committed such a crime.
(2) Any police officer may also proceed to the arrest of any person in respect of whom an alert for his arrest has been entered in the Schengen Information System.
(3) Any police officer may also proceed to the arrest of any person who knowingly, or after due warning, obstructs or disturbs him in the execution of his duties, or disobeys his lawful orders.
(4) The powers mentioned in subarticles (1), (2) and (3) shall only be exercised until it is strictly necessary for the police officer to convey the person arrested to a police station and deliver him to a superior officer not below the rank of sergeant.
(5) The provisions of this article shall not apply to any crime punishable under the Press Act.
355XX. Any police officer may detain without warrant any person who is indicated in an alert in the Schengen Information System as a missing person or a person who, for his own protection or in order to prevent threats, needs temporarily to be placed under police protection.
355Y. (1) In the case of contraventions, or of crimes not subject to the punishment of imprisonment, excepting always the crimes punishable under the Press Act, it shall be lawful for the Police to proceed to the arrest of any person without a warrant, provided that -
(a) the person be detected in the very act of committing the offence; or
(b) the arrest be necessary to prevent the commission of an offence in respect of which the Police may institute criminal proceedings without the complaint of the injured party; and
(c) in either of the cases mentioned in paragraphs (a) or (b) one of the conditions mentioned in article 355Z is satisfied.
(2) A person shall be deemed to be detected in the very act of committing an offence, if he is caught, either in the act of committing the offence, or while being pursued by the injured party or by the public hue and cry.
Provisional arrest
Arrest
Provisional arrest for national proceedings
EDIT.